blue oat grass

noun

: a tufted, perennial, evergreen grass (Helictotrichon sempervirens) native to southwestern Europe that is grown as an ornamental for its thin, stiff, grayish-blue leaves and straw-colored, erect, panicled spikelets
Glimmering blue oat grass makes perfect evergreen hemispheres of icy blue between the stonelike mounds of hebes.Ann Lovejoy, Seattle Post-Intelligencer, 26 June 2003
Plants such as blue oat grass harmonize with the colors of the flower blossoms and add contrasting shape.Susan Davis Price, Minnesota Monthly, June/July 2005

Word History

First Known Use

1973, in the meaning defined above

Time Traveler
The first known use of blue oat grass was in 1973

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

  1. Expanded definitions
  2. Detailed etymologies
  3. Advanced search tools
  4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now

Dictionary Entries Near blue oat grass

Cite this Entry

“Blue oat grass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blue%20oat%20grass. Accessed 30 Dec. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!